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Diffstat (limited to 'arch/x86/include/asm/pm-trace.h')
-rw-r--r--arch/x86/include/asm/pm-trace.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pm-trace.h b/arch/x86/include/asm/pm-trace.h
new file mode 100644
index 000000000000..7b7ac42c3661
--- /dev/null
+++ b/arch/x86/include/asm/pm-trace.h
@@ -0,0 +1,23 @@
+#ifndef _ASM_X86_PM_TRACE_H
+#define _ASM_X86_PM_TRACE_H
+
+#include <asm/asm.h>
+
+#define TRACE_RESUME(user)					\
+do {								\
+	if (pm_trace_enabled) {					\
+		const void *tracedata;				\
+		asm volatile(_ASM_MOV " $1f,%0\n"		\
+			     ".section .tracedata,\"a\"\n"	\
+			     "1:\t.word %c1\n\t"		\
+			     _ASM_PTR " %c2\n"			\
+			     ".previous"			\
+			     :"=r" (tracedata)			\
+			     : "i" (__LINE__), "i" (__FILE__));	\
+		generate_pm_trace(tracedata, user);		\
+	}							\
+} while (0)
+
+#define TRACE_SUSPEND(user)	TRACE_RESUME(user)
+
+#endif /* _ASM_X86_PM_TRACE_H */